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Finding the Fourth Proportional to 86,187.59, 129,302.10 and 27,023.27

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Solution

The fourth proportional to 86,187.59, 129,302.10 and 27,023.27 is: 40,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,187.59 : 129,302.10 = 27,023.27 : x
  2. Step 2: Convert to fraction form
    86,187.59/129,302.10 = 27,023.27/x
  3. Step 3: Cross multiply
    86,187.59x = 129,302.10 × 27,023.27
  4. Step 4: Simplify right side
    86,187.59x = 3,494,165,564.68
  5. Step 5: Solve for x
    x = 3,494,165,564.68/86,187.59
  6. Step 6: Final answer
    x = 40,541.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.